The terminal triode DE 404 is offered by Philips.
The tube has been tested with a TOP measurement value, the measurement value is still slightly above the target specification, see photos.
The name is printed and etched into the glass
Private sale, without any warranty, guarantee and return!
No renegotiations.
POWER TRIODE PHILIPS 15:53:20
uTracer3, GUI V3.11 Triode Rapid Test
D404
Test conditions:
Va : 250 (V) Swing +/- 25 V (10%)
Vg : -40 (V) Swing +/- 4 V (10%)
Test results:
Ia : 58.36 (mA) 146% of nominal 40 (mA)
Ra : 1.26 (kohem) 126% of nominal 1 (kohm) Ra = dVa/dIa
Gm : 2.83 (mA/V) 105% of nominal 2.7 (mA) Gm = dIa/dVg
mu : 4 (-) 102 % nominal 3.5 (-) mu = Gm*Ra
The terminal triode DE 404 is offered by Philips.
The tube has been tested with a TOP measurement value, the measurement value is still slightly above the target specification, see photos.
The name is printed and etched into the glass
no org boxes
I will pack these tubes very carefully, and shipped by registered Dutch postal service
These rates are for packages up to 0.35 KGS weight, I will combine shipping up to 2 KGS.
Pay within 3 days of the end of the auction.
Postage costs;
EUROPE 1; € 15.50 insured
WORLD; € 31.80 insured
for your country please ask .
national shipping extract shipping costs.
Worldwide shipping, tubes travel at buyer's risk.
Since I am a private seller, no guarantee or return is possible.